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GB1370424A - Sonar apparatus - Google Patents

Sonar apparatus

Info

Publication number
GB1370424A
GB1370424A GB2255074A GB2255074A GB1370424A GB 1370424 A GB1370424 A GB 1370424A GB 2255074 A GB2255074 A GB 2255074A GB 2255074 A GB2255074 A GB 2255074A GB 1370424 A GB1370424 A GB 1370424A
Authority
GB
United Kingdom
Prior art keywords
display
camera
sonar apparatus
representing
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2255074A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB2255074A priority Critical patent/GB1370424A/en
Priority claimed from GB3177070A external-priority patent/GB1370422A/en
Publication of GB1370424A publication Critical patent/GB1370424A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/8006—Multi-channel systems specially adapted for direction-finding, i.e. having a single aerial system capable of giving simultaneous indications of the directions of different signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56—Display arrangements
    • G01S7/62—Cathode-ray tube displays
    • G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

1370424 Sonar apparatus SMITHS INDUSTRIES Ltd 30 Sept 1971 [30 June 1970] 22550/74 Divided out of 1370422 Heading H4D The subject matter of the Specification is generally contained within Specification 1,370,422, but the claims relate to a sonar apparatus utilizing a display which includes a light source energized by successive echoes and which is scanned by a television camera used to drive a display, the range time base frequency of which is substantially less than the camera scanning frequency. The camera scans a line of neons or l.e.d.'s each representing a different direction channel. The television monitor display uses the camera scan as a line time-base which results in the frame time base representing range. Suitable deflection patterns may be chosen to provide a true polar co-ordinate display.
GB2255074A 1971-09-30 1971-09-30 Sonar apparatus Expired GB1370424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2255074A GB1370424A (en) 1971-09-30 1971-09-30 Sonar apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3177070A GB1370422A (en) 1971-09-30 1971-09-30 Sonar apparatus
GB2255074A GB1370424A (en) 1971-09-30 1971-09-30 Sonar apparatus

Publications (1)

Publication Number Publication Date
GB1370424A true GB1370424A (en) 1974-10-16

Family

ID=26255989

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2255074A Expired GB1370424A (en) 1971-09-30 1971-09-30 Sonar apparatus

Country Status (1)

Country Link
GB (1) GB1370424A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001833A1 (en) * 1982-10-29 1984-05-10 Levy Marilyn Kay Sonar system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001833A1 (en) * 1982-10-29 1984-05-10 Levy Marilyn Kay Sonar system

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees